Features and Benefits:

• Rapid cooling helmet liner activates when wet, providing instant relief
• Provides two hours of continuous cooling, offering a reliable solution for professionals working in warm environments
• Comfortably wear under standard hard hats and safety helmets
• Breathable, lightweight mesh improves airflow
• Durable, machine-washable and reusable design offers convenience for daily use in warm environments



Klein Tools Cooling Helmet Liner (M/L) delivers rapid cooling relief for up to 2 hours when wet. Designed to be worn comfortably under hard hats and safety helmets. Lightweight, breathable mesh fabric improves airflow, is machine washable, and is reusable